40+40×0+1

a) 1

b)41

c)82

??​

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Which of the following expressions is equal to 2x^2+8

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list